Chief of Police Rui, a happily married man of principles, is in charge of investigating Joana, a teacher who's accused of political crimes. After some false starts, he manages to arrest her, but is startled to learn that she's also a nun. The revelation doesn't alter the natural course of events: he must torture her in order to obtain a confession, and gets increasingly attracted to her.
Marcia, a nymphomaniac girl postpones the marriage with her fiance, Beto, because they have some problems and goes to the family farm with him to have a rest. There, her young and sexy stepmother is attracted to the boy, seduces and sex with him. Meanwhile she reunites with the stable boy, Juka her childhood friend and Ariscu, the horse from her childhood and begins to live sensual moments with the animal with which she had a relationship once.
A young couple, Rodrigo and Aimé, who love each other deeply and possess everything to achieve full happiness, are hit by fate: She suffers an accident and becomes paralyzed.